---
product_id: 508765965
title: "Wathai40mm x 20mm 12V Dual Ball Bearing DC Brushless Cooling Fan for 12 Volt PSU Replacment, DIY Small Electronic Equipment Cooling"
brand: "wathai"
price: "VT10337"
currency: VUV
in_stock: true
url: https://www.desertcart.vu/products/508765965-wathai40mm-x-20mm-12v-dual-ball-bearing-dc-brushless-cooling
store_origin: VU
region: Vanuatu
---

# 7.85 CFM airflow power 50,000-hour dual ball bearing lifespan 6000 RPM high-speed spin Wathai40mm x 20mm 12V Dual Ball Bearing DC Brushless Cooling Fan for 12 Volt PSU Replacment, DIY Small Electronic Equipment Cooling

**Brand:** wathai
**Price:** VT10337
**Availability:** ✅ In Stock

## Summary

> 🌀 Stay Cool, Stay Ahead: The Ultimate 12V Fan Upgrade You Can't Afford to Miss!

## Quick Answers

- **What is this?** Wathai40mm x 20mm 12V Dual Ball Bearing DC Brushless Cooling Fan for 12 Volt PSU Replacment, DIY Small Electronic Equipment Cooling by wathai
- **How much does it cost?** VT10337 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/508765965-wathai40mm-x-20mm-12v-dual-ball-bearing-dc-brushless-cooling)

## Best For

- wathai enthusiasts

## Why This Product

- Trusted wathai brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact Yet Mighty:** Sized at 40x40x20mm, this fan fits perfectly in tight spaces like 3D printers, NAS, DVRs, and more—cooling your tech without compromise.
- • **Built to Last Marathon:** Dual ball bearings deliver ultra-reliable performance with an impressive 50,000-hour lifespan—no more frequent replacements.
- • **Plug & Play Convenience:** Comes with mounting screws and a 20cm cable featuring a standard XH2.54-2Pin connector for seamless DIY upgrades.
- • **Whisper-Quiet Operation:** At just 26 dBA, enjoy powerful airflow without the distracting noise—perfect for focused workspaces.
- • **Precision Cooling Powerhouse:** Turbocharge your PSU and electronics with a compact 6000 RPM fan that keeps your gear chill and efficient.

## Overview

The Wathai 40mm x 20mm 12V Dual Ball Bearing DC Brushless Cooling Fan is a high-speed, low-noise cooling solution designed for small electronic devices like PSUs, 3D printers, and NAS units. Operating at 6000 RPM with 7.85 CFM airflow and a quiet 26 dBA noise level, it features durable dual ball bearings rated for 50,000 hours of continuous use. Compact and easy to install with included mounting hardware and a 20cm connector cable, this fan ensures reliable, long-lasting cooling performance in tight spaces.

## Description

Wathai40mm x 20mm 12V Dual Ball Bearing DC Brushless Cooling Fan for 12 Volt PSU Replacment, DIY Small Electronic Equipment Cooling

## Features

- 40x20mm size fan for replacing fans in inverter and storage equipmentcs such as PSU，battery charger, 3D printer, switches, NAS , DVRs etc
- The 40mm DC brushless fan operates at 12V, ideal for cooling electronic equipment. This compact 40x40x20 12V fan ensures efficient cooling for various electronics, making it a reliable choice for 12V cooling needs
- Dual ball bearing providing reliable performance for prolonged periods with a lifespan of 50,000 hours
- Rated Voltage:12V 0.05A; Speed: 6000RPM; Air flow: 7.85CFM; Noise:26dBA; Connecter: XH2.54-2Pin; Cable Length: 20cm Or 8 inche
- 1 Piece fan and mounting screws & nuts; Dimension: 40mm(L) x 40mm(W) x 20mm(H) / 1.58x1.58x0.79 in. per fan

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Wathai |
| Part number | 4020B12V2P2.5 |
| Item Weight | 9.07 g |
| Product Dimensions | 4.01 x 4.01 x 2.01 cm; 9.07 g |
| Item model number | 4020B12V2P2.5 |
| Colour | 12V Ball |
| Style | 12V Ball |
| Material | Plastic |
| Voltage | 12 Volts (DC) |
| Air Flow Capacity | 7.85 Cubic Feet Per Minute |
| Noise Level | 26 dB |
| Batteries included? | No |
| Batteries Required? | No |

## Product Details

- **Product dimensions:** 40L x 40W x 20H millimetres
- **Brand:** Wathai
- **Power connector type:** 2-Pin
- **Voltage:** 12 Volts (DC)
- **Cooling method:** Air
- **Compatible devices:** Amplifier, Desktop, Gaming Console, Printer, Projector
- **Noise level:** 26 dB
- **Material:** Plastic
- **Maximum rotational speed:** 6000 RPM
- **Air flow capacity:** 7.85 Cubic Feet Per Minute

## Images

![Wathai40mm x 20mm 12V Dual Ball Bearing DC Brushless Cooling Fan for 12 Volt PSU Replacment, DIY Small Electronic Equipment Cooling - Image 1](https://m.media-amazon.com/images/I/61hfGa4JKqL.jpg)
![Wathai40mm x 20mm 12V Dual Ball Bearing DC Brushless Cooling Fan for 12 Volt PSU Replacment, DIY Small Electronic Equipment Cooling - Image 2](https://m.media-amazon.com/images/I/71uuSV4Lf+L.jpg)
![Wathai40mm x 20mm 12V Dual Ball Bearing DC Brushless Cooling Fan for 12 Volt PSU Replacment, DIY Small Electronic Equipment Cooling - Image 3](https://m.media-amazon.com/images/I/71Q8Bp-iroL.jpg)
![Wathai40mm x 20mm 12V Dual Ball Bearing DC Brushless Cooling Fan for 12 Volt PSU Replacment, DIY Small Electronic Equipment Cooling - Image 4](https://m.media-amazon.com/images/I/71m01FFpIqL.jpg)
![Wathai40mm x 20mm 12V Dual Ball Bearing DC Brushless Cooling Fan for 12 Volt PSU Replacment, DIY Small Electronic Equipment Cooling - Image 5](https://m.media-amazon.com/images/I/71O+eNucSaL.jpg)

## Available Options

This product comes in different **Style Name** options.

## Frequently Bought Together

- Wathai 40mm x 20mm 12V Dual Ball Bearing DC Brushless Cooling Fan for 12 Volt PSU Replacment, DIY Small Electronic Equipment Cooling
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**Shop now:** [https://www.desertcart.vu/products/508765965-wathai40mm-x-20mm-12v-dual-ball-bearing-dc-brushless-cooling](https://www.desertcart.vu/products/508765965-wathai40mm-x-20mm-12v-dual-ball-bearing-dc-brushless-cooling)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-01-26*